Home / 82,113.42-123,159.51-25,959.19

Finding the Fourth Proportional to 82,113.42, 123,159.51 and 25,959.19

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Solution

The fourth proportional to 82,113.42, 123,159.51 and 25,959.19 is: 38,935.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,113.42 : 123,159.51 = 25,959.19 : x
  2. Step 2: Convert to fraction form
    82,113.42/123,159.51 = 25,959.19/x
  3. Step 3: Cross multiply
    82,113.42x = 123,159.51 × 25,959.19
  4. Step 4: Simplify right side
    82,113.42x = 3,197,121,120.40
  5. Step 5: Solve for x
    x = 3,197,121,120.40/82,113.42
  6. Step 6: Final answer
    x = 38,935.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.